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Net Loss Per Share (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Schedule of Net Loss Per Share Basic and Diluted |
|  | December 31, |
Basic and diluted loss per share |  | 2017 |  |  | 2018 |  |  | 2019 |
Net loss attributable to common stockholders |  | $ | (3,870 | ) |  | $ | (5,812 | ) |  | $ | (12,047 | )
Weighted-average common shares outstanding - basic and diluted |  |  | 14,961 |  |  |  | 17,233 |  |  |  | 20,476 |
Net loss attributable to common stockholders - basic and diluted |  | $ | (0.26 | ) |  | $ | (0.34 | ) |  | $ | (0.59 | )

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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